1023225 has 24 divisors (see below), whose sum is σ = 1934400. Its totient is φ = 467520.

The previous prime is 1023221. The next prime is 1023227. The reversal of 1023225 is 5223201.

It is not a de Polignac number, because 1023225 - 2² = 1023221 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an Ulam number.

1023225 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1023221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 450 + ... + 1499.

It is an arithmetic number, because the mean of its divisors is an integer number (80600).

2^1023225 is an apocalyptic number.

1023225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1023225 is a deficient number, since it is larger than the sum of its proper divisors (911175).

1023225 is a wasteful number, since it uses less digits than its factorization.

1023225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1969 (or 1964 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 1023225 is about 1011.5458467119. The cubic root of 1023225 is about 100.7682494798.

Adding to 1023225 its reverse (5223201), we get a palindrome (6246426).

The spelling of 1023225 in words is "one million, twenty-three thousand, two hundred twenty-five".